Designation:D8078−18´1StandardTestMethodforAshContentofAsphaltandEmulsifiedAsphaltResidues1ThisstandardisissuedunderthefixeddesignationD8078;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—AddedresearchreportfootnotetoSection8editoriallyinSeptember2019.1.Scope1.1Thistestmethodmeasurestheashcontentofanasphaltoremulsifiedasphaltresidue.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D3666SpecificationforMinimumRequirementsforAgen-ciesTestingandInspectingRoadandPavingMaterialsD6934TestMethodforResiduebyEvaporationofEmulsi-fiedAsphaltD6997TestMethodforDistillationofEmulsifiedAsphaltD7497PracticeforRecoveringResiduefromEmulsifiedAsphaltUsingLowTemperatureEvaporativeTechniqueE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod2.2AASHTOStandard:3AASHTOR78RecoveringResiduefromEmulsifiedAsphaltusingLow-TemperatureEvaporativeTechniques3.SummaryofTestMethod3.1Aknownamountofasphaltoremulsifiedasphaltresidueisputintoacruc...